Mercurial > octave
view liboctave/numeric/fEIG.h @ 31231:a026fb2be108
sparse-xpow.cc: Return empty matrix for empty input (bug #63080)
author | Arun Giridhar <arungiridhar@gmail.com> |
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date | Mon, 19 Sep 2022 07:05:31 -0400 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1994-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_fEIG_h) #define octave_fEIG_h 1 #include "octave-config.h" #include <iosfwd> #include "mx-fwd.h" #include "fCColVector.h" #include "fCMatrix.h" class OCTAVE_API FloatEIG { friend class FloatMatrix; friend class FloatComplexMatrix; public: FloatEIG (void) : m_lambda (), m_v (), m_w () { } FloatEIG (const FloatMatrix& a, bool calc_rev = true, bool calc_lev = true, bool balance = true) : m_lambda (), m_v (), m_w () { init (a, calc_rev, calc_lev, balance); } FloatEIG (const FloatMatrix& a, octave_idx_type& info, bool calc_rev = true, bool calc_lev = true, bool balance = true) : m_lambda (), m_v (), m_w () { info = init (a, calc_rev, calc_lev, balance); } FloatEIG (const FloatMatrix& a, const FloatMatrix& b, bool calc_rev = true, bool calc_lev = true, bool force_qz = false) : m_lambda (), m_v (), m_w () { init (a, b, calc_rev, calc_lev, force_qz); } FloatEIG (const FloatMatrix& a, const FloatMatrix& b, octave_idx_type& info, bool calc_rev = true, bool calc_lev = true, bool force_qz = false) : m_lambda (), m_v (), m_w () { info = init (a, b, calc_rev, calc_lev, force_qz); } FloatEIG (const FloatComplexMatrix& a, bool calc_rev = true, bool calc_lev = true, bool balance = true) : m_lambda (), m_v (), m_w () { init (a, calc_rev, calc_lev, balance); } FloatEIG (const FloatComplexMatrix& a, octave_idx_type& info, bool calc_rev = true, bool calc_lev = true, bool balance = true) : m_lambda (), m_v (), m_w () { info = init (a, calc_rev, calc_lev, balance); } FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_rev = true, bool calc_lev = true, bool force_qz = false) : m_lambda (), m_v (), m_w () { init (a, b, calc_rev, calc_lev, force_qz); } FloatEIG (const FloatComplexMatrix& a, const FloatComplexMatrix& b, octave_idx_type& info, bool calc_rev = true, bool calc_lev = true, bool force_qz = false) : m_lambda (), m_v (), m_w () { info = init (a, b, calc_rev, calc_lev, force_qz); } FloatEIG (const FloatEIG& a) : m_lambda (a.m_lambda), m_v (a.m_v), m_w (a.m_w) { } FloatEIG& operator = (const FloatEIG& a) { if (this != &a) { m_lambda = a.m_lambda; m_v = a.m_v; m_w = a.m_w; } return *this; } ~FloatEIG (void) = default; FloatComplexColumnVector eigenvalues (void) const { return m_lambda; } FloatComplexMatrix right_eigenvectors (void) const { return m_v; } FloatComplexMatrix left_eigenvectors (void) const { return m_w; } friend std::ostream& operator << (std::ostream& os, const FloatEIG& a); private: FloatComplexColumnVector m_lambda; FloatComplexMatrix m_v; FloatComplexMatrix m_w; octave_idx_type init (const FloatMatrix& a, bool calc_rev, bool calc_lev, bool balance); octave_idx_type init (const FloatMatrix& a, const FloatMatrix& b, bool calc_rev, bool calc_lev, bool force_qz); octave_idx_type init (const FloatComplexMatrix& a, bool calc_rev, bool calc_lev, bool balance); octave_idx_type init (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_rev, bool calc_lev, bool force_qz); octave_idx_type symmetric_init (const FloatMatrix& a, bool calc_rev, bool calc_lev); octave_idx_type symmetric_init (const FloatMatrix& a, const FloatMatrix& b, bool calc_rev, bool calc_lev); octave_idx_type hermitian_init (const FloatComplexMatrix& a, bool calc_rev, bool calc_lev); octave_idx_type hermitian_init (const FloatComplexMatrix& a, const FloatComplexMatrix& b, bool calc_rev, bool calc_lev); }; #endif